3.5 nong dan

input = 8
if input == 1 :
    print ('Jan 31')
if input == 2 :
    print ('Feb 28')
if input == 3 : 
    print ( 'March 31')
if input == 4 : 
    print ('Apr 30')
if input == 5 :
    print ('May 31')
if input == 6 : 
    print ( 'June 30')
if input == 7 : 
    print ('July 31')
if input == 8 : 
    print ( 'Aug 31')
if input == 9 :
    print ( ' Sep 30')
if input == 10 : 
    print ('Oct 31')
if input == 11 : 
    print ( 'Nov 30')
if input == 12 :
    print ( ' Dec 31')